Monolithic Power Systems (MPS) MP8847 Synchronous Step-Down Converter
Monolithic Power Systems (MPS) MP8847 Synchronous Step-Down Converter is a highly integrated, high-frequency, step-down switcher with an I2C control interface. The MP8847 supports up to 6A load current over a 2.7V to 6V input supply range with excellent load/line regulation. Constant-frequency hysteretic mode provides a swift transient response without loop compensation to achieve high efficiency easily under light-load conditions. The output voltage level can be controlled on the fly through a 3.4Mbps I2C serial interface. The voltage range can be adjusted from 0.6V to 1.235V in 5mV steps. The voltage slew rate, switching frequency, and power-saving mode are also selectable through the I2C interface. Full protection features include internal soft-start, over-current protection (OCP), and over-temperature protection (OTP). The MP8847 requires a minimal number of readily available, standard external components and is available in a compact QFN-14 (2mm x 3mm) package.Features
- I2C programmable output range from 0.6V to 1.235V in 5mV steps
- 2.7V to 6V input voltage range
- Up to 6A load current
- Internal 35mΩ high-side and15mΩ low-side power MOSFETs
- I2C compatible interface up to 3.4Mbps
- Factory adjustable switching frequency from 0.85MHz to 2.2MHz
- Power-saving mode selectable via I2C
- Internal 1ms soft start
- Power good indicator
- Current overload and thermal shutdown protection
- Available in 2mm x 3mm QFN-14 package
Applications
- Processor core supplies
- Micro converters
Typical Application
Additional Resources
Veröffentlichungsdatum: 2019-08-19
| Aktualisiert: 2023-11-02
